155014061 has 2 divisors, whose sum is σ = 155014062. Its totient is φ = 155014060.

The previous prime is 155014039. The next prime is 155014133. The reversal of 155014061 is 160410551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130074025 + 24940036 = 11405^2 + 4994^2 .

It is a cyclic number.

It is not a de Polignac number, because 155014061 - 2²⁶ = 87905197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155014021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77507030 + 77507031.

It is an arithmetic number, because the mean of its divisors is an integer number (77507031).

Almost surely, 2^155014061 is an apocalyptic number.

It is an amenable number.

155014061 is a deficient number, since it is larger than the sum of its proper divisors (1).

155014061 is an equidigital number, since it uses as much as digits as its factorization.

155014061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 155014061 is about 12450.4642885316. The cubic root of 155014061 is about 537.1847782867.

The spelling of 155014061 in words is "one hundred fifty-five million, fourteen thousand, sixty-one".